package com.ttbj.payment.original.utils;
 
import com.ttbj.core.util.IDUtils;
import com.ttbj.util.Assert;

public  class PayUtil {
	
	/**
	 * 系统订单号唯一，增补订单号
	 * @param orderNum
	 * @return
	 */
	public static String orderNumAppend(String orderNum){
		return  Assert.isEmpty(orderNum)?String.valueOf(IDUtils.genItemId()):orderNum;
	}

}
